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C.O.R.N Newsletter 2008-07
     April 1, 2008 - April 8, 2008


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On-farm soybean seed treatment
by Dennis Mills, Anne Dorrance

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Much of the soybean seed supply in the eastern Midwest is of lower than normal quality. For most areas of the state, the seed will need a fungicide treatment to protect it from disease. Studies have shown that fungicide seed treatments provide substantial protection and can increase yields.

The seed treating process can damage seed and reduce the germination rate, if the seed coat is thin or cracked. Therefore some companies have opted not to treat some seed lots. If this seed is planted early into cold, wet, soil conditions a seed treatment will be necessary, but precautions should be taken to reduce further damage due to treating and handling.

There are two on-farm treatments that can help with this untreated seed situation. For those with untreated bagged seed, Enhance is a hopper box treatment containing Vitavax and Captan. Vitavax and Captan will protect seed against Fusarium, Pythium and some Rihzoctonia but not Phytophthora. Another option for those with on-farm slurry or mist type treaters is Apron Maxx RTA. Apron Maxx RTA is also a broad spectrum seed treatment, but for those growers with heavy pressure from Phytophthora additional Apron XL will help. (read and follow label directions). In both cases be very gentle with the seed as you are treating and be extra careful with handling. This seed is prone to breakage that further reduces germination.

Poorly drained fields under no-till production, continuous soybeans or fields with a history of stand problems will benefit from a seed treatment. To reiterate what was stated in the previous article, plant soybeans this year under optimum planting conditions.


Readers can subscribe electronically to this newsletter by signing up at http://agcrops.osu.edu/services/email.html. E-mail labarge.1@osu.edu if you have problems subscribing or no longer wish to receive this newsletter.

C.O.R.N. is a summary of crop observations, related information, and appropriate recommendations for Ohio Crop Producers and Industry. C.O.R.N. is produced by the Ohio State University Extension Agronomy Team, State Specialists at The Ohio State University and Ohio Agricultural Research and Development Center. C.O.R.N. Questions are directed to State Specialists, Extension Associates, and Agents associated with Ohio State University Extension and the Ohio Agricultural Research and Development Center at The Ohio State University.


Information presented above and where trade names are used, they are supplied with the understanding that no discrimination is intended and no endorsement by Ohio State University Extension is implied. Although every attempt is made to produce information that is complete, timely, and accurate, the pesticide user bears responsibility of consulting the pesticide label and adhering to those directions.

All educational programs conducted by Ohio State University Extension are available to clientele on a nondiscriminatory basis without regard to race, color, creed, religion, sexual orientation, national origin, gender, age, disability or Vietnam-era veteran status.

Issued in furtherance of Cooperative Extension work, Acts of May 8 and June 30, 1914, in cooperation with the U.S. Department of Agriculture, Keith L. Smith, Director, Ohio State University Extension.

TDD # 1 (800) 589-8292 (Ohio only) or (614) 292-1868

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